Question

in the game,the no. of dominos in various rows forms A.P.if the no.of cells together is 68 and the no.of dominos in the 11th cell is 24 more than 3rd cell ,then answer the questions based on this data

1) What is the difference between the no.of dominos in the 19th and 20th rows?

2) How many dominos are in the 1st row?

3) How many total no.of dominos are there in first 13 rows?

4) Altogether,,how many dominos are there in the first 5 rows

5) What is the sum of the dominos is the 7th and 9th rows?

Answer 1

Answer:

what we have to do in this question

Answer 2

Answer:

give answer. for first question